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Chevrolet/GMC 2.8L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-13336155) - 2020 - CRC - 5/6/19
Service and Maintenance
93
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
The following fluids apply to vehicles with a Duramax diesel engine. For other fluids not listed here, see
“
Recommended Fluids and Lubricants
”
in the owner
’
s manual.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.
Usage
Fluid/Lubricant
Automatic Transmission (6 Speed)
DEXRON-VI Automatic Transmission Fluid.
Automatic Transmission (8 Speed)
DEXRON-HP Automatic Transmission Fluid.
Diesel Exhaust Aftertreatment
System
Diesel Exhaust Fluid (GM Part No. 19286291, in Canada 88862660) or
diesel exhaust fluid that meets ISO 22241 or displays the API Diesel
Exhaust Fluid Certification Mark.
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL coolant.
See
Engine Oil
Engine oil meeting the dexos2 specification of the proper SAE viscosity
grade. ACDelco dexos2 is recommended. See
Hydraulic Power Steering System (If
Equipped)
GM Power Steering Fluid (GM Part No. 19329450, in Canada 19329451).